Captain Cleo
For grown-ups

Games your child chooses, with the learning underneath

Captain Cleo is one world of games about money, clear thinking and maths, for ages 5 to 15. Every game is free.

No adsNo cardNo loginNo strangersNo live AI

What is Captain Cleo?

A world of games where the learning sits underneath the play. Your child sails between islands, helps Captain Cleo, and earns coins for one shared purse.

Money comes first

They run a market stall, borrow from a dragon, spot a scam and read a first payslip. Each island carries one real piece of money, from pocket money to pensions.

Then clear thinking

Weighing evidence, asking a better question, and noticing when something is built to fool them. It is the newest part, and we say so.

Maths runs through both

Times tables to quick recall, practice for the Year 4 multiplication tables check, and then fractions, angles and big numbers beyond it.

Captain Cleo is not affiliated with the DfE or the STA. The money games tell a story; they are not financial advice.

Who is it for?

Children aged 5 to 15, on a phone, a tablet or a computer.

Not every game suits every age. Each game on All games shows the ages it was made for, so you can point them at the right door.

For teachers

Every maths game is free for teachers and their class. Share one link, and each child plays on their own device with no account. For a printable poster with a QR code, ask us at hello@captaincleo.com.

What can my child play free?

Every game, in every world. Money, maths and thinking alike. A child can start playing without a card.

How do we start?

  1. Open captaincleo.com on the phone or tablet they will use.
  2. Tap Play free, then their age band. It is the only question, and it opens the kids' world.
  3. Hand it over. Nothing needs reading before they play.

Sound, moving pictures and what to do if a game will not load are on the help page.

Where is progress stored, and what happens on another device or after clearing the browser?

Progress is saved in this browser, on this device. It is not sent to us.

The simplest habit: one device and one browser for Captain Cleo.

How do I see progress?

This box fills in as your child plays on this device: time played, adventures finished and skills practised, in plain words. Until they play here, it stays empty.

The Parent Port

In the Parent Port, opened with a PIN only you know, the Discovery Report lets you see how your child thinks. Each line says what the play showed, and which games it came from.

It sees play on this device only. It does not see a classroom, a mood, or a brother or sister who borrowed the tablet.

What does the Captain's Chart include?

Every game stays free, whether you buy the Chart or not. The Chart is for you, the grown-up.

  • Every level, laid out. Money, maths and clear thinking, level by level, with a certificate at each one.
  • The full report in the Parent Port, opened with your own PIN.
  • One payment, for life. No subscription, and it does not renew by itself.
  • 30 day no-questions refund.

Nothing charges today. The prices and the whole syllabus are on the Captain's Chart page.

How do we cancel or get help?

The Captain's Chart is one payment, for life. It does not renew by itself, so there is nothing to cancel.

For a full refund within 30 days with no questions, email hello@captaincleo.com from the address you paid with.

Something not working? The help page covers sound, loading and saving.

The full curriculum

Every topic, laid out for grown-ups.